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Mathematics 10 Online
OpenStudy (12g):

plz help

OpenStudy (12g):

What is the value of x rounded to the nearest hundredth? Type the numeric answer only in the box below.

OpenStudy (igreen):

Use tangent. \(\sf tan(49^o) = \dfrac{x}{55}\)

OpenStudy (igreen):

Can you solve that for 'x'?

OpenStudy (12g):

idk how to

OpenStudy (igreen):

Put \(\sf tan(49^o)\) in your calculator, what do you get?

OpenStudy (12g):

1.15?

OpenStudy (igreen):

Correct, so we have: \(\sf 1.15 = \dfrac{x}{55}\) Now multiply 55 to both sides, can you do that?

OpenStudy (12g):

63=x55?

OpenStudy (12g):

63.25=x55

OpenStudy (igreen):

Actually the 55 cancels out on the right side leaving us with just 'x'. So we have: \(\sf x \approx 63.25\)

OpenStudy (igreen):

That's our answer.

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